50 and <=100]]> China, Russia, North Korea, South Korea, Japan 50-100 mm 55497518 32 17996377 192 4746719 30964821 1789409 10 0 2 18 1 100 and <=250]]> China, North Korea, South Korea, Japan 100-250 mm 21735745 13 903953 0 3160547 17442394 228851 0 0 2 11 0 250 and <=500]]> North Korea, South Korea, Japan 250-500 mm 223671 0 0 0 41199 180591 1881 0 0 0 0 0 500 and <=750]]> South Korea 500-750 mm 1435 0 0 0 0 1435 0 0 0 0 0 0 750 and <=1000]]> 750-1000 mm 0 0 1000 and <=10000]]> more than 1000 mm 0 0